Blinking Brochis - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 02-01-2013, 08:42 PM Thread Starter
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Blinking Brochis

OK, I didn't think fish had eyelids and, while I expect that is generally correct, that doesn't mean that they don't blink. I thought I saw them do something that looked like blinking but I could never see them do it while so still.

Here is a row of Brochis waiting for bedtime (1/2 after normal lights out), watch for 1 and 3 to do their blinking.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #2 of 3 Old 02-01-2013, 09:23 PM
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Yes, cories and brochis will "blink". Thanks for sharing the video.
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post #3 of 3 Old 02-02-2013, 02:53 PM
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As jeaninel said, all the coryadidae will do this. It is not blinking, since you are right, fish do not have eyelids [with a couple exceptions, which I think I mention in my article on light]. They achieve the "effect" by being able to rotate the eyes. To us is looks like a blink.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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